Southwest® flights from Charleston to Baltimore/Washington from $99

Promo Code

Low fares from Charleston to Baltimore/Washington

$

Charleston (CHS)to

Baltimore/Washington (BWI)
Depart: 10/21/2026

One-way

Basic

From
$99
Seen: 13 hrs ago

Charleston (CHS)to

Baltimore/Washington (BWI)
Depart: 12/31/2026

One-way

Basic

From
$99
Seen: 21 hrs ago

Charleston (CHS)to

Baltimore/Washington (BWI)
Depart: 11/10/2026

One-way

Basic

From
$99
Seen: 17 hrs ago

Charleston (CHS)to

Baltimore/Washington (BWI)
Depart: 11/09/2026

One-way

Basic

From
$99
Seen: 7 hrs ago

Charleston (CHS)to

Baltimore/Washington (BWI)
Depart: 01/05/2027

One-way

Basic

From
$99
Seen: 2 hrs ago

Charleston (CHS)to

Baltimore/Washington (BWI)
Depart: 12/17/2026

One-way

Basic

From
$99
Seen: 1 hour ago

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Explore flights from Charleston to Baltimore/Washington

Oct 2026
From$99*
Seen: 13 hrs ago
One Way/Basic
Nov 2026
From$99*
Seen: 13 hrs ago
One Way/Basic
Dec 2026
From$99*
Seen: 1 hour ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $99
cmp-daily-histogram-bars-legend-max-price-aria-label $427
Displaying fares for October-2026
  • CHS–BWI: cmp-view-offers-disclaimer. Find Offers
    01

    Thu

    OCT

  • CHS–BWI, 10/02/2026: From $427
    02

    Fri

  • CHS–BWI, 10/03/2026: From $427
    03

    Sat

  • CHS–BWI, 10/04/2026: From $427
    04

    Sun

  • CHS–BWI, 10/05/2026: From $427
    05

    Mon

  • CHS–BWI, 10/06/2026: From $427
    06

    Tue

  • CHS–BWI, 10/07/2026: From $274
    07

    Wed

  • CHS–BWI: cmp-view-offers-disclaimer. Find Offers
    08

    Thu

  • CHS–BWI, 10/09/2026: From $274
    09

    Fri

  • CHS–BWI, 10/10/2026: From $274
    10

    Sat

  • CHS–BWI, 10/11/2026: From $274
    11

    Sun

  • CHS–BWI: cmp-view-offers-disclaimer. Find Offers
    12

    Mon

  • CHS–BWI, 10/13/2026: From $274
    13

    Tue

  • CHS–BWI, 10/14/2026: From $216
    14

    Wed

  • CHS–BWI, 10/15/2026: From $216
    15

    Thu

  • CHS–BWI, 10/16/2026: From $257
    16

    Fri

  • CHS–BWI, 10/17/2026: From $216
    17

    Sat

  • CHS–BWI: cmp-view-offers-disclaimer. Find Offers
    18

    Sun

  • CHS–BWI: cmp-view-offers-disclaimer. Find Offers
    19

    Mon

  • CHS–BWI, 10/20/2026: From $216
    20

    Tue

  • CHS–BWI, 10/21/2026: From $99
    21

    Wed

  • CHS–BWI, 10/22/2026: From $99
    22

    Thu

  • CHS–BWI, 10/23/2026: From $108
    23

    Fri

  • CHS–BWI, 10/24/2026: From $108
    24

    Sat

  • CHS–BWI: cmp-view-offers-disclaimer. Find Offers
    25

    Sun

  • CHS–BWI, 10/26/2026: From $216
    26

    Mon

  • CHS–BWI: cmp-view-offers-disclaimer. Find Offers
    27

    Tue

  • CHS–BWI, 10/28/2026: From $99
    28

    Wed

  • CHS–BWI: cmp-view-offers-disclaimer. Find Offers
    29

    Thu

  • CHS–BWI, 10/30/2026: From $108
    30

    Fri

  • CHS–BWI, 10/31/2026: From $99
    31

    Sat

    • Range$99-$427

    *Fares displayed have been collected within the last 24 hours and may no longer be available at time of booking. Additional fees and charges for optional products and services may apply. Modifying this information may result in a different fare. To find the most updated fare, please visit Southwest.com. Fares listed are Basic, which are subject to additional terms and conditions.

    Flight Details

    Departing from:
    Charleston International Airport
    Arriving at:
    Balt./Wash. International Airport
    Average flight time:
    1 hour 28 minutes
    Distance:
    472 miles

    Route Information

    77† Weekly flights
    • 3‡ Nonstop flights per day Monday through Friday
    • 3‡ Nonstop flights on Saturday
    • 4‡ Nonstop flights on Sunday

    † Weekly flights based on DOT published scheduled average flights Monday through Sunday between 9/1/2025 and 9/30/2025. Note: route may not operate every day of the week.

    ‡ Nonstop flights based on DOT published scheduled average flights Monday through Sunday between 9/1/2025 and 9/30/2025.

    Questions we hear the most

    The average flight time from Charleston to Baltimore/Washington is 1 hour 28 minutes.
    There are 77 weekly flights from Charleston to Baltimore/Washington on Southwest Airlines.
    Yes, Southwest flies nonstop from Charleston to Baltimore/Washington 3 times per day from Monday through Friday.
    Yes, Southwest flies nonstop from Charleston to Baltimore/Washington 3 times per day on Saturdays and 4 times per day on Sundays.
    To find the lowest fares by day and time to fly Charleston to Baltimore/Washington with Southwest, check out our Low Fare Calendar.
    You can rent a car at Balt./Wash. International Airport book yours with your flight.
    Yes! Flights from Charleston to Baltimore/Washington—or from here or there to anywhere—can be changed with no change fees. Fare difference may apply.
    Check the status of your upcoming Southwest flight.
    Check out the Southwest Airlines® Help Center for answers about everything Southwest.

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